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• why is a condenser/(libeg condenser used)

  • has cold water moving around it which improves the effectiveness of condenseation
• how is a distillation appartus used to collect pure water

  • heat is supplied cause the water to condense and leave the salt
  • the water vapor is condensed back into a liquid
• ways to improve a burette experiment

  • rinse with titrant
  • add drop by drop
  • do not fill the burette past 0
• what is the reduction on carbon

  2fe203 + 3c = 3c02 + 4fe
• equations for chemical fuel cells(hydrogen)

  h2 - 2h+ 2e-
• eqaution for a fuel cell oxygen

  4oh = 02 + 2h20 + 4e-